Optical signal acquiring device
一种获取器、光信号的技术,应用在头的配置/安装等方向,能够解决重量重、耗时多、组成元件结构复杂等问题,达到减轻重量、减少零部件数量的效果
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[0024] The optical signal acquirer of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0025] Such as figure 1 , 2 , 3, 4, and 5, an optical signal acquirer A, which includes a base 1, a movable part 2, and an optical path system 3; wherein,
[0026] The optical path system 3 includes: a holographic tube mechanism 31, a total reflection mirror 32, and an objective lens 33; the holographic tube mechanism 31 and the total reflection mirror 32 are fixed on the base 1; the holographic tube mechanism 31 emits The beam of light is irradiated onto the signal recording surface of the optical disc through the total reflection mirror 32 and the objective lens 33, and at the same time, the light beam reflected by the optical disc returns to the holographic tube mechanism 31 after passing through the objective lens 33 and the total reflection mirror 32.
[0027] Described movable part 2 comprises: the objective lens support 21 tha...
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